if Array.length Sys.argv <= 1 then
failwith "usage: gif input.gif";
let filename = Sys.argv.(1) in
- let bits = Bitmatch.bitstring_of_file filename in
+ let bits = Bitstring.bitstring_of_file filename in
bitmatch bits with
| { ("GIF87a"|"GIF89a") : 6*8 : string; (* GIF magic. *)